21.02 – 4438830_05
27
System: Chiller with plate heat exchanger
PH
7,5 - 9
Total hardness
4,5 - 8,5 °dH
Temperature
< 65 °C
Oxygen content
< 0,1 ppm
Max. glycol amount
50 %
Phosphates (PO₄)
< 2ppm
Manganese (Mn)
< 0,05 ppm
Iron (Fe)
< 0,3 ppm
Alkalinity (HCO₃)
70 - 300 ppm
Chloride ions (Cl-)
< 50 ppm
Sulphate ions (SO₄)
< 50 ppm
Sulphide ion (S)
None
Ammonium ions (NH₄)
None
Silica (SiO₂)
< 30 ppm
WATER CHARACTERISTICS
WITH PUMPS
Components as standard
1
Condenser
2
Evaporator
3
Water temperature sensors (IN/OUT)
4
Water filter
5
Pump
6
One-way valve
7
Expansion vessel
8
Drain valve
9
Flow switch
10 Air drain valve
Components not provided and responsibility of the installer
11 Flow shut-off valves
12 Pressure relief valve
13 Anti-vibration joints
14 Air drain valve
15 Expansion vessel
16 Storage tank
17 Antifreeze electric heater
18 Pressure gauge
4
1
3
3
10
9
13
13
11
11
5
12
7
7
8
8
8
2
3
3
10
14
9
13
13
11
11
16
17
14
15
12
8
18
18
4
5
5
5
10
10
6
6
Single pump
Single pump
Single pump + stand-by pump
Summary of Contents for NXW 0500-1650
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